000 00284nam a2200109Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
100 _aGupta, R.K.
_920866
245 _aSpecial functions
250 _aNineteenth
250 _b1996. viii-208
260 _bKrishna prakashan. Meerut, India
999 _c20616
_d20616